Rito tries to take one of Lala's inventions from Celine but Celine activates it and summons a naked Yui for Rito. The next day, Rito catches a train and finds Yui inside with an angry glare. She pulls Rito to a side protecting him from other women. Rito tries to talk to Yui by asking why she is here. Yui was delivering papers while Rito was shopping for novelty items. The train then becomes more crowded, squeezing Rito and Yui together and forcing Rito to grab Yui in weird places. One of Rito's items also molests Yui. At arrival, Rito finds one of his items running, angering Yui...